1 /* Open a file, reusing a given stream, with error checking.
2 Copyright (C) 2009-2021 Free Software Foundation, Inc.
4 This file is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published
6 by the Free Software Foundation; either version 3 of the License,
7 or (at your option) any later version.
9 This file is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
23 /* Opens the file FILENAME with mode MODE, reusing the given stream FP.
24 Upon failure, emits an error message and exits the program. */
25 void xfreopen (char const *filename, char const *mode, FILE *fp);